CTF-All-In-One/doc/6.1.16_pwn_hitbgsecctf2017_1000levels.md

6.1.16 pwn HITBGSECCTF2017 1000levels

• 题目复现
• 题目解析
• Exploit
• 参考资料

下载文件

题目复现

$ file 1000levels 
1000levels: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=d0381dfa29216ed7d765936155bbaa3f9501283a, not stripped
$ checksec -f 1000levels
RELRO           STACK CANARY      NX            PIE             RPATH      RUNPATH      FORTIFY Fortified Fortifiable  FILE
Partial RELRO   No canary found   NX enabled    PIE enabled     No RPATH   No RUNPATH   No      0               6       1000levels
$ strings libc.so.6 | grep -i ubuntu
GNU C Library (Ubuntu GLIBC 2.23-0ubuntu9) stable release version 2.23, by Roland McGrath et al.

题目解析

Exploit

参考资料

• https://ctftime.org/task/4539